package com.xiao.sulinguser;

import org.junit.jupiter.api.Test;

import java.util.UUID;

/**
 * @author: 1322127758@qq.com
 * @date: 2022/3/13 10:28
 * @作用:
 */
public class Temp {
    @Test
    public void temp(){
        String replace = UUID.randomUUID().toString().replace("-", "").substring(0,6);
        System.out.println(replace);
    }
}
